RL

RL, Rl or rl may refer to:

In arts and entertainment

• Radio Liberty, an American political broadcasting station merged with Radio Free Europe
• Reload (Metallica album), 1997 album by Metallica
• Rocket League, a 2015 vehicle soccer video game
• Rockland Records, a music label by singer R. Kelly

Businesses and organizations

• Polo Ralph Lauren (NYSE stock ticker symbol)
• Réseau Luxembourgeois des Amateurs d'Ondes Courtes, an amateur radio organization in Luxembourg
• Roxbury Latin, a boys' preparatory school in West Roxbury, MA
• Royal Phnom Penh Airways (IATA code)

People known by the given initials

• R. L. Huggar, an R&B singer
• R. L. Stine (born 1943), American author

In science and technology

• RL (complexity), a complexity class of mathematical problems
• RL circuit, a circuit with a resistor and an inductor
• Reinforcement learning, an area of machine learning
• Rocket launcher, a launching device for self-propelled explosive projectiles
• Reporting limit, in quantitative analytic chemistry

Other uses

• Rl (digraph), a digraph in Australian Aboriginal languages, representing a retroflex lateral
• Acura RL, an automobile
• Real life, a term for life in the real world
• Reconstituted leaf, a type of tobacco processing
• Registered Locksmith, a trade qualification awarded to members of the Associated Locksmiths of America
• Regulatory limit, in U.S. environmental emission laws
• Report Long, a type of Congressional Research Service Report
• Republic of Lebanon
• Rugby league, a sport